TSUMUGU · TOCFL 1 · 字
床
床 ＝ 广 ＋ 木
ㄔㄨㄤˊ · chuáng
noun — a bed
字源 FORM — what the parts do
广義a roof, a lean-to
Wood (木) under a roof (广) — the bed. The older graph 牀 draws the bed itself: 爿, a bed frame stood on end — the same upright bed a sick man lies on inside 疒. The everyday form traded the frame for the roof over it.
故事 STORY — a scene to remember it by
屋（广）裡靠牆架一張木（木）板床，人一躺，吱呀一聲。
Against the wall under the roof (广), a plank bed (木); it creaks once as he lies down.
字源記憶法
意 · Meanings
(本義)床— a bed常用
→起床— to get up — off the bed
⇒河床— the riverbed — where the water lies
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
牀chuángthe older graph — the bed-board 爿 upright; 床 keeps a roof instead病bìngthe upright bed again, inside 疒 — lying on it, sick